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LINE NEXT and Kaia have announced the upcoming beta launch of Project Unify, a stablecoin superapp set to go live later this year. The application is designed to consolidate payments, remittances, and decentralized services into a single platform, addressing one of Asia’s longstanding challenges: fragmented financial networks.
Backed by LINE’s large user base and Kaia’s blockchain infrastructure, the stablecoin superapp will provide a seamless system for cross-border transactions. Operating within LINE Messenger and through Kaia’s decentralized app (Dapp) Portal, it will integrate more than 100 decentralized apps, giving users access to services ranging from payments to rewards.
“Project Unify is Asia’s stablecoin superapp by Kaia and LINE NEXT,” — Kaia, in an official statement at its Stable Gathering event on September 22, 2025.
Kaia, formed in 2024 through the merger of Klaytn and Finschia, is positioning itself as a key infrastructure provider for digital finance. Its orchestration layer for stablecoins underpins the stablecoin superapp, ensuring issuance, circulation, and utilization are coordinated across the region.
Currently supporting USDT, Kaia plans to expand into stablecoins linked to major Asian currencies including the Japanese yen, Korean won, Thai baht, Philippine peso, Indonesian rupiah, Malaysian ringgit, and Singapore dollar. This expansion is expected to give the stablecoin superapp broad utility for both regional and global users.
By embedding these currencies into a familiar platform like LINE, the stablecoin superapp allows for direct fund transfers, retail payments, and remittances, while removing intermediaries that traditionally add cost and delay.
Developers and stablecoin issuers will gain access to a software development kit (SDK) built for integration into the stablecoin superapp. This SDK is designed to encourage adoption, enabling services that leverage Kaia’s infrastructure for liquidity and cross-border efficiency.
The SDK is aimed at two main groups: stablecoin issuers seeking wider distribution channels, and application developers looking to embed financial services into apps used daily across Asia. With LINE’s 65 million wallet users spanning 32 countries, the stablecoin superapp offers scale few platforms can match.
By providing developers with tools to link into the platform, LINE NEXT and Kaia are betting that liquidity and adoption will grow organically, further cementing the stablecoin superapp as a cornerstone of Asia’s digital economy.
LINE NEXT, the Web3 subsidiary of LINE, will deploy Project Unify within its extensive digital ecosystem. With a strong user base across Asia and beyond, LINE NEXT offers the stablecoin superapp instant distribution advantages.
The stablecoin superapp will function both as a standalone product and as a Mini Dapp under LINE NEXT’s management. Through it, users will gain access to cashback rewards, global stablecoin payments, and messaging-based transfers, marking a significant step forward in digital asset integration.
By linking fragmented payment networks into one platform, LINE NEXT and Kaia are positioning the stablecoin superapp as a practical tool for crypto investors and everyday users alike, providing faster and cheaper cross-border transactions while fostering regional financial inclusion.
